The henan museum chinese pinyin hnn bwyun, located in zhengzhou, henan province, china, is a history and archaeology museumIt has a collection of more than , pieces of cultural relics through the ages in addition to its collection of human history the museum is also home to many relics of natural history including dinosaur bones and fossils
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Machine Machinery is a high-tech enterprise integrating R&D, production, sales and service. It is the production and export base of intelligent mining machinery in China.
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Introduce advanced technology and craftsmanship, and more than 160 R&D personnel continue to innovate to promote product upgrades